Class: ER80S-B2

AWS: A5.28

Conforms to Certification: AWS A5.28                 ASME SFA A5.28

Weld Process: Tig (GTAW) Welding Process

AWS Chemical Composition Requirements
C = 0.07 – 0.12	Mn = 0.40 – 0.70
Si = 0.40 – 0.70	P = 0.025 max
S = 0.025 max	Ni = 0.20 max
Cr = 1.20 – 1.50	Mo = 0.40 – 0.65
Cu = 0.35 max	Other = 0.50 max

Available Sizes
.030 x 36
.035 x 36
.045 x 36
1/16 x 36
3/32 x 36
1/8 x 36
3/16 x 36
5/32 x 36

Application
ER80S-B2 is for gas metal arc welding of 1¼ chromium, ½ molybdenum steels, which are used in high temperature applications. 300ºF min. preheat and inter-pass are recommended during the welding operation.

Deposited Chemical Composition % (Typical)
C = 0.09	P = 0.012	Cr = 1.35
Mn = 0.55	S = 0.006	Mo = 0.55
Si = 0.48	Ni = 0.10	Cu = 0.15

 

Deposited Mechanical Properties (SR) (1150ºF One Hour)
Tensile Strength	85,000 psi
Yield Strength	72,000 psi
Elongation	22%

 

Deposited Charpy-V-Notch Impact Properties %
At +32ºF                60 ft. lbs.

Available Sizes & Recommended Welding Parameters
Process	Diameter of Wire	Voltage (V)	Amperage (A)	Gas
Tig	.035 inches x 36	10 – 12	50 – 70	100% Argon
	.045 inches x 36	10 – 12	70 – 100	100% Argon
	1/16 inches x 36	12 – 15	100 – 125	100% Argon
	3/32 inches x 36	15 – 20	125 – 175	100% Argon
	1/8 inches x 36	15 – 20	175 – 250	100% Argon